Qhov no yog ib tug pear-puab cov menyuam thwj nrog cov yam ntxwv los tiv thaiv.
Qhov no yog ib lub cim uas pab hauv kev tsim suab paj nruag, tso cai rau koj qhia cov kev xav hauv koj lub taub hau txhua lub sijhawm, nyob qhov twg.
Qhov no yog ib tug menyuam foob nrog lub cwj mem cap muaj nuj nqi, uas yuav ua rau ripples, kab, qauv thiab lwm yam imprints.
Qhov no yog ib lub thwj rau cov menyuam uas muaj lub luag haujlwm zais cia, uas tuaj yeem npog cov ntaub ntawv ntiag tug lossis cov ntsiab lus tsis pub lwm tus paub ntawm daim ntawv.
Qhov no yog ib qho kev tiv thaiv tus kheej rau cov menyuam stamp nrog lub thawv qhib muaj nuj nqi.